The Number of Electrical Outages in a City Varies from Day

question 39

Multiple Choice

The number of electrical outages in a city varies from day to day.Assume that the number of electrical outages (x) in the city has the following probability distribution. ​ ​
The mean and the standard deviation for the number of electrical outages (respectively) are
​

• A) 2.6 and 5.77.
• B) 0.26 and 0.577.
• C) 3 and 0.01.
• D) 0 and 0.8.

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